Iranian First Vice President Eshaq Jahangiri on Monday issued an instruction after he was briefed on the latest situation in the two flood-hit regions.
Jahangiri urged the governors of the provinces to do their best to provide essential elements including water and to repair the roads so that relief assistance could reach remote villages as well.
Sistan and Balouchestan was affected in the most severe way due to record-breaking rainfall in years.
Flood poured into the two provinces inundating around 350 villages, interrupting the people live in the area.
Heavy rainfall over the last two days has caused seasonal rivers to flood into towns, causing extensive damage to infrastructures and people's homes.